Home / 84,470,484.16-126,724,388.58-30,616,396.48

Finding the Fourth Proportional to 84,470,484.16, 126,724,388.58 and 30,616,396.48

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Solution

The fourth proportional to 84,470,484.16, 126,724,388.58 and 30,616,396.48 is: 45,931,358.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,470,484.16 : 126,724,388.58 = 30,616,396.48 : x
  2. Step 2: Convert to fraction form
    84,470,484.16/126,724,388.58 = 30,616,396.48/x
  3. Step 3: Cross multiply
    84,470,484.16x = 126,724,388.58 × 30,616,396.48
  4. Step 4: Simplify right side
    84,470,484.16x = 3,879,844,124,450,864
  5. Step 5: Solve for x
    x = 3,879,844,124,450,864/84,470,484.16
  6. Step 6: Final answer
    x = 45,931,358.90

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.